Home / 3,098.80-4,647.64-1,018.76

Finding the Fourth Proportional to 3,098.80, 4,647.64 and 1,018.76

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Solution

The fourth proportional to 3,098.80, 4,647.64 and 1,018.76 is: 1,527.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,098.80 : 4,647.64 = 1,018.76 : x
  2. Step 2: Convert to fraction form
    3,098.80/4,647.64 = 1,018.76/x
  3. Step 3: Cross multiply
    3,098.80x = 4,647.64 × 1,018.76
  4. Step 4: Simplify right side
    3,098.80x = 4,734,829.73
  5. Step 5: Solve for x
    x = 4,734,829.73/3,098.80
  6. Step 6: Final answer
    x = 1,527.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.